Members of Congress

Everyone who has served since 1973 — 2,687 people, the earliest of them first elected in 1923.

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Status

In office Former All

Party

Any Democrat Republican Independent

Chamber

Both House Senate

Robert C. Byrd

West Virginia · Senate

1953–2010 · 57.4 yrs · b. 1917

Daniel K. Inouye

Hawaii · Senate

1959–2012 · 53.9 yrs · b. 1924

Patrick J. Leahy

Vermont · Senate

1975–2023 · 47.9 yrs · b. 1940

J. Strom Thurmond

South Carolina · Senate

1954–2003 · 47.4 yrs · b. 1902

Edward M. Kennedy

Massachusetts · Senate

1962–2009 · 46.7 yrs · b. 1932

Thad Cochran

Mississippi · Senate

1973–2018 · 45.1 yrs · b. 1937

Richard C. Shelby

Alabama · Senate

1979–2023 · 43.9 yrs · b. 1934

Warren Grant Magnuson

Washington · Senate

1937–1981 · 43.9 yrs · b. 1905

Henry Martin Jackson

Washington · Senate

1941–1983 · 42.6 yrs · b. 1912

Orrin G. Hatch

Utah · Senate

1977–2019 · 42 yrs · b. 1934

John Jackson Sparkman

Alabama · Senate

1937–1979 · 42 yrs · b. 1899

John Cornelius Stennis

Mississippi · Senate

1947–1989 · 41.9 yrs · b. 1901

Ted F. Stevens

Alaska · Senate

1968–2009 · 40 yrs · b. 1923

Carl Thomas Curtis

Nebraska · Senate

1939–1979 · 40 yrs · b. 1905

Barbara A. Mikulski

Maryland · Senate

1977–2017 · 39.9 yrs · b. 1936

Jennings Randolph

West Virginia · Senate

1933–1985 · 39.9 yrs · b. 1902

Pat Roberts

Kansas · Senate

1981–2021 · 39.9 yrs · b. 1936

Tom Harkin

Iowa · Senate

1975–2015 · 39.9 yrs · b. 1939

Max Baucus

Montana · Senate

1975–2014 · 39 yrs · b. 1941

John Little McClellan

Arkansas · Senate

1935–1977 · 38.9 yrs · b. 1896

Ernest F. Hollings

South Carolina · Senate

1966–2005 · 38.1 yrs · b. 1922

Benjamin L. Cardin

Maryland · Senate

1987–2025 · 38 yrs · b. 1943

Russell Billiu Long

Louisiana · Senate

1948–1987 · 38 yrs · b. 1918

James Oliver Eastland

Mississippi · Senate

1941–1979 · 36.2 yrs · b. 1904

Joseph R. Biden Jr.

Delaware · Senate

1973–2009 · 36 yrs · b. 1942

Richard G. Lugar

Indiana · Senate

1977–2013 · 36 yrs · b. 1932

Pete V. Domenici

New Mexico · Senate

1973–2009 · 35.9 yrs · b. 1932

Paul S. Sarbanes

Maryland · Senate

1971–2007 · 35.9 yrs · b. 1933

Claiborne de Borda Pell

Rhode Island · Senate

1961–1997 · 35.9 yrs · b. 1918

James M. Inhofe

Oklahoma · Senate

1987–2023 · 35.9 yrs · b. 1934

Christopher J. Dodd

Connecticut · Senate

1975–2011 · 35.9 yrs · b. 1944

Daniel K. Akaka

Hawaii · Senate

1977–2013 · 35.9 yrs · b. 1924

Carl Levin

Michigan · Senate

1979–2015 · 35.9 yrs · b. 1934

Milton Ruben Young

North Dakota · Senate

1945–1981 · 35.8 yrs · b. 1897

John McCain

Arizona · Senate

1983–2018 · 35.6 yrs · b. 1936

Robert Joseph Dole

Kansas · Senate

1961–1996 · 35.3 yrs · b. 1923

Trent Lott

Mississippi · Senate

1973–2007 · 34.9 yrs · b. 1941

George David Aiken

Vermont · Senate

1941–1975 · 34 yrs · b. 1892

Harry Reid

Nevada · Senate

1983–2017 · 34 yrs · b. 1939

Thomas R. Carper

Delaware · Senate

1983–2025 · 34 yrs · b. 1947

Barbara Boxer

California · Senate

1983–2017 · 34 yrs · b. 1940

Margaret Chase Smith

Maine · Senate

1939–1973 · 34 yrs · b. 1897

Karl Earl Mundt

South Dakota · Senate

1939–1973 · 34 yrs · b. 1900

Clifford Philip Case

New Jersey · Senate

1945–1979 · 34 yrs · b. 1904

Michael Joseph Mansfield

Montana · Senate

1943–1977 · 33.9 yrs · b. 1903

William V. Roth Jr.

Delaware · Senate

1967–2001 · 33.9 yrs · b. 1921

Olympia J. Snowe

Maine · Senate

1979–2013 · 33.9 yrs · b. 1947

John B. Breaux

Louisiana · Senate

1971–2005 · 33.9 yrs · b. 1944

Hugh Doggett Scott Jr.

Pennsylvania · Senate

1941–1977 · 33.9 yrs · b. 1900

Quentin Northrup Burdick

North Dakota · Senate

1959–1992 · 33.6 yrs · b. 1908

Jacob Koppel Javits

New York · Senate

1947–1981 · 32 yrs · b. 1904

Sherrod Brown

Ohio · Senate

1993–2025 · 32 yrs · b. 1952

James William Fulbright

Arkansas · Senate

1943–1975 · 32 yrs · b. 1905

James M. Jeffords

Vermont · Senate

1975–2007 · 31.9 yrs · b. 1934

Robert Menendez

New Jersey · Senate

1993–2024 · 31.6 yrs · b. 1954

Lindsey Graham

South Carolina · Senate

1995–2026 · 31.5 yrs · b. 1955

William Proxmire

Wisconsin · Senate

1957–1989 · 31.3 yrs · b. 1915

Dianne Feinstein

California · Senate

1992–2023 · 30.9 yrs · b. 1933

John D. Rockefeller, IV

West Virginia · Senate

1985–2015 · 30 yrs · b. 1937

Barry Morris Goldwater

Arizona · Senate

1953–1987 · 30 yrs · b. 1909